Best O2 Fitness Apps

228+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Out of 228+ o2 fitness apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top O2 Fitness Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1O2 Prime FitnessO2 Prime FitnessFreeNoNoMay 2026
2PRSNL TrainingPRSNL TrainingFree4.7★ (21)NoNoJul 2026
3O2Fit - Diet & Calorie CounterO2Fit - Diet & Calorie CounterFree4.6★ (358)NoNoJul 2026
4O2 Aspen & O2 DallasO2 Aspen & O2 DallasFreeYesNoJul 2026
5O2 Fitness AlbirO2 Fitness AlbirFreeNoNoMay 2026
6Apple FitnessApple FitnessFree2.9★ (11K)YesNoJul 2026
7Orangetheory FitnessOrangetheory FitnessFree4.9★ (487K)NoNoJul 2026
8MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.3M)YesYesJul 2026

Top Picks for O2 Fitness

PRSNL Training#2

PRSNL Training by O2 HOLDINGS, LLC

Strong Contender
💪 Health & Fitness
4.7(21 ratings)
Free
PRSNL Training screenshot 1
PRSNL Training screenshot 2
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PRSNL Training screenshot 4
PRSNL Training screenshot 5
PRSNL Training screenshot 6

Access personalized workout programs and track your fitness journey. Monitor workouts, nutrition, habits, and results with guidance from a dedicated coach. Connect wearable devices for comprehensive health tracking.

O2Fit - Diet & Calorie Counter#3

O2Fit - Diet & Calorie Counter by ladan fazel

Weight, fitness & workout
Worth Considering
💪 Health & Fitness
4.6😊(358 ratings)
Free
O2Fit - Diet & Calorie Counter screenshot 1
O2Fit - Diet & Calorie Counter screenshot 2
O2Fit - Diet & Calorie Counter screenshot 3
O2Fit - Diet & Calorie Counter screenshot 4
O2Fit - Diet & Calorie Counter screenshot 5
O2Fit - Diet & Calorie Counter screenshot 6

This app helps you manage your diet and fitness by calculating your daily calorie needs, tracking your macronutrients, and offering personalized meal plans. It also includes a step counter, water tracker, and a library of workout guides to support your health goals.

What We Love

  • 👍 User-friendly and easy to navigate
  • 🎯 Comprehensive food database with accurate calorie information
  • 💪 Effective for weight loss and diet tracking
  • 🍽️ Flexible calorie-based approach without food restrictions

Room to Improve

  • 💰 Expensive subscription pricing
  • 🐢 App performance is slow
  • 🔍 Food search functionality is tedious and cumbersome

More O2 Fitness apps to explore

4
O2 Aspen & O2 Dallas
O2 Aspen & O2 Dallas
O2 Aspen & O2 Dallas
by O2
Free
💪 Health & Fitness
(0)
5
O2 Fitness Albir
O2 Fitness Albir
O2 Fitness Albir
by O2 Fitness Albir SL
Free
💪 Health & Fitness
(0)
6
Apple Fitness
Apple Fitness
Apple Fitness
Fitness and Fitness+
Free

Track your fitness progress with detailed activity summaries, workout metrics, and personalized goals. Access a wide range of guided workouts and meditations to stay active and mindful. Share your achievements and compete with friends for motivation.

Personalized activity summariesWorkout tracking with real-time metricsGoal setting and progress monitoring
💪 Health & Fitness
(11K)
free with in-app purchases
7
Orangetheory Fitness
Orangetheory Fitness
Orangetheory Fitness
The smartest one-hour workout
Free

This app offers a science-backed, coach-inspired group workout experience. It allows users to easily book classes, track workout statistics in real-time, and manage their fitness progress. Achieve life-changing results with this streamlined fitness companion.

Book and cancel classesSearch and manage favorite studiosTrack workout stats in real time
💪 Health & Fitness
(487K)
free
8
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Workout & AI Nutrition Tracker
Free

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

AI Food TrackerCalorie and Macro TrackingWater Intake Monitoring
💪 Health & Fitness
(2.3M)
free with in-app purchases
9
SoyO2
SoyO2
SoyO2
by O2 CENTRO WELLNESS SL
Free

This app helps you maximize your fitness facility's services for both indoor and outdoor training. It offers personalized training plans, engaging challenges, and smart reminders for group activities. Track your progress, calories, heart rate, and activity levels by connecting various health devices.

Personalized training plansIndividual and community challengesLeaderboards and badges
💪 Health & Fitness
(20)
ad-supported
10
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Build Muscle. Get Fit.
Free

This all-in-one fitness app offers personalized workout plans and meal suggestions to help you achieve your strength and fitness goals. Train at home or in the gym with programs designed by elite coaches, track your progress, and enjoy a variety of workout styles.

Personalized workout plansCustomizable for goals and experienceTrain at home or in the gym
💪 Health & Fitness
(21K)
free with in-app purchases
11
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Map My Fitness Workout Tracker
Daily Exercise & Gym Training
Free

Track all your physical activities, from gym workouts to yoga, and monitor progress with detailed stats. Plan personalized routines, access exercise videos, and sync with wearables and other health apps. Achieve your fitness goals with community support and advanced insights.

Log over 600 activitiesTrack distance, pace, calories, heart rateGPS tracking for outdoor sessions
💪 Health & Fitness
(77K)
free with in-app purchases
12
Garmin Connect™
Garmin Connect™
Garmin Connect™
beat yesterday.
Free

Track your health and fitness activities with detailed statistics and personalized insights. Create custom workouts, build courses, and challenge friends. Syncs with compatible devices and other popular fitness apps.

Activity tracking and health metricsDetailed statistics analysisCustom workout and course creation
💪 Health & Fitness
(58K)
free
13
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Weight Lifting Routine Planner
Free

This app helps you track workouts, build custom routines, and monitor progress. It offers a large exercise library with instructions and animations, seamless Apple Watch integration, and health app syncing. Optimize your training with built-in timers and voice guidance.

Track every workout (sets, reps, weights)Create personalized workout routinesAccess 850+ exercises with 3D animations
💪 Health & Fitness
(3.4K)
freemium
14
New EōS Fitness
New EōS Fitness
New EōS Fitness
Elevate your fitness routine.
Free

Monitor workouts, track progress, and achieve fitness goals with personalized plans and engaging challenges. Seamlessly capture workout data and book group fitness classes.

Workout trackingPersonalized training plansActivity level milestones
💪 Health & Fitness
(144)
free
15
Blood Oxygen App
Blood Oxygen App
Blood Oxygen App
SpO2 Level Monitor・Heart Rate
Free

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

Blood oxygen monitoringHeart rate estimation via cameraApple Watch sync
🏥 Medical
(31K)
freemium
16
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
워치 헬스장 근력 트레이닝
Free

This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.

Automatic exercise tracking with Apple Watch motionTracks over 470 exercise types hands-freeAI-generated personalized workout plans
💪 Health & Fitness
(3K)
free with in-app purchases
17
V.O2: Running Coach
V.O2: Running Coach
V.O2: Running Coach
With Adaptive Training Plans
Free

This app provides adaptive training plans and personalized coaching for runners of all levels. It assesses your fitness, offers custom paces, and syncs with popular devices. Train intelligently to achieve measurable improvements and become your best runner.

Adaptive training plansVDOT fitness assessmentPersonalized training paces
💪 Health & Fitness
(5.7K)
free with in-app purchases
18
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Blood Oxygen App- Watch
Log & track pulse o2 levels
Free

Monitor and manage vital health metrics like blood oxygen, heart rate, and blood pressure. Receive automatic alerts for critical changes and utilize breathing exercises for relaxation. Syncs with Apple Health for a comprehensive view of your well-being.

Blood oxygen (SpO2) logging and trackingAutomatic low oxygen level notificationsHeart rate and HRV monitoring
🏥 Medical
(611)
free with in-app purchases
19
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Blood Pressure, Sleep & SpO2
Free

This app uses AI and your device's camera to monitor vital health metrics like heart rate, blood pressure, and stress levels. It provides detailed visual insights and personalized analysis to help you understand your well-being. Integrates with Apple Health for comprehensive tracking.

AI health analysisCamera pulse measurementBlood pressure tracking
💪 Health & Fitness
(7.5K)
free with in-app purchases
20
Score44
Score44
Score44
Fitness Habit Tracking App
Free
💪 Health & Fitness
(0)

FAQ about O2 Fitness

Are there free o2 fitness apps for iPhone?
Yes — 20 of the top o2 fitness apps we rank are free to download, including O2 Prime Fitness and PRSNL Training.
O2 Prime Fitness has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 228+ o2 fitness apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.

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